TGS has completed a sequence stratigraphic interpretation and play fairway analysis project for the Northeast Newfoundland Shelf utilizing new seismic survey data and well data. The project provides a geologic model of basin development over time, delineates the distribution of reservoirs and seals, and identifies prospective hydrocarbon leads. TGS interpreted well log data to define a sequence stratigraphic framework and mapped gross depositional environment maps for 21 sequences. The project benefits include a foundational exploration tool, shortened exploration cycle time, new insights into depositional environments, and reduced risk through delineating source, seal and reservoir distributions.

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Newfoundland
and Labrador
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See energy defined.
Northeast Newfoundland
and Flemish Pass
INTERPRETATION PROJECTS

2. © 2017 TGS-NOPEC Geophysical Company ASA. All rights reserved.
For more information, contact TGS at:
UK
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Sequence Stratigraphic Interpretation and Play Fairway Analysis
PROJECT DETAILS
TGS has generated a sequence stratigraphic and play fairway analysis
interpretation project utilising the new TGS Offshore Northeast
Newfoundland Shelf seismic survey data and available well data to:
ƒƒ Provide a geologic model of the depositional basin fill over time
ƒƒ Delineate the presence, thickness and distribution of reservoir and
seal with respect to timing and movement associated with tectonic
activity
ƒƒ Identify and risk-assess prospective hydrocarbon leads by
performing basin modeling and AVO analysis
In addition, TGS has integrated and interpreted well log data to define
a sequence stratigraphic framework. Depositional environments
and associated facies will be interpreted based on log character for
available wells. Where insufficient well data is available, seismic facies
analysis will be used to define the gross depositional environments.
Gross depositional environment maps for up to 21 sequences have been
interpreted and mapped.
Other geologic features such as areas of igneous activity and major
depositional features such as deltas, fans, debris flows and turbidites
are also identified and interpreted. A report summarizing the current
seismic based interpretation projects and basin modeling has been
prepared.
BENEFITS
The benefits of the sequence stratigraphic study and play fairway
analysis are:
1. A fundamental exploration tool that takes many man years to
complete and therefore few companies complete in such detail
2. A fast track understanding of basin development and shortened
exploration cycle time
3. New and extended insight into the gross depositional environments
of the region
4. Reduced risk through delineating source, seal and reservoir for use
in predictive exploration
5. A robust framework for play modelling and exploration work
6. Integrated data in a single environment to improve productivity
REQUIREMENTS
Clients must license 50% of underlying seismic data.
DELIVERABLES
Interpreted seismic and well data are delivered in shape, image and
ASCII file formats. TGS also provides clients with a viewer, the Facies
Map Browser (FMB), to review all well and map data.
Deliverables will include:
ƒƒ Processed well curve data
ƒƒ Sequence boundaries picked on log data
ƒƒ Seismic horizons used to define and constrain sequence boundaries
ƒƒ Gross depositional environment maps based on well and seismic
events
ƒƒ Seismic facies maps
ƒƒ Reservoir, seal, and play fairway summary maps
ƒƒ Core descriptions and cor summart report for 9 wells
The structural interpretation deliverables include:
ƒƒ Structure maps
ƒƒ Horizons
ƒƒ AVO analysis
ƒƒ Leads and features
catalogue
ƒƒ Fault segments
ƒƒ Fault polygons and polygons
that delineate potential
hydrocarbon anomalies.